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* BinUtils: Avoid the 'ld.lld' ELF linker on Apple platformsCarlo Cabrera2022-09-141-1/+1
| | | | | `ld.lld` is an ELF linker, so we should never set `CMAKE_LINKER` to this when targeting an Apple platform.
* Merge topic 'binutils-llvm-ar-apple'Brad King2022-03-161-1/+6
|\ | | | | | | | | | | | | fee36b7a78 BinUtils: Restore llvm-ar fallback on Apple platforms Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !7077
| * BinUtils: Restore llvm-ar fallback on Apple platformsBrad King2022-03-161-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | Since commit 29ea94e17c (BinUtils: Avoid llvm-ar on Apple platforms, 2022-03-03, v3.21.6~1^2) we do not consider `llvm-ar` at all on Apple platforms. However, there are existing cross-compiling use cases in which the toolchain has `llvm-ar` but not `ar`. Prior to the re-ordering in commit cf82300a63 (BinUtils: Clarify search logic and make it more consistent, 2021-05-27, v3.21.0-rc1~119^2~2), we preferred `ar` and then `llvm-ar`. Restore the original order for Apple. Fixes: #23320
* | Merge topic 'binutils-llvm-mt'Brad King2022-03-091-1/+2
|\ \ | |/ | | | | | | | | | | 73d0d4e4b5 BinUtils: Avoid llvm-mt because it is missing 'mt' features we use Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !7054
| * BinUtils: Avoid llvm-mt because it is missing 'mt' features we useBrad King2022-03-081-1/+2
| | | | | | | | | | | | | | | | | | | | Since commit cf82300a63 (BinUtils: Clarify search logic and make it more consistent, 2021-05-27, v3.21.0-rc1~119^2~2) we correctly prefer the more-specific name `llvm-mt` over `mt` when using Clang. However, the `llvm-mt` tool does not yet support all the flags we need in the implementation of `vs_link_{exe,dll}`. Prefer plain `mt` for now. Fixes: #23305
* | Merge topic 'binutils-llvm-ar-clang-macos'Brad King2022-03-041-1/+4
|\ \ | |/ | | | | | | | | | | 29ea94e17c BinUtils: Avoid llvm-ar on Apple platforms Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !7039
| * BinUtils: Avoid llvm-ar on Apple platformsBrad King2022-03-031-1/+4
| | | | | | | | | | | | | | | | | | | | Since commit cf82300a63 (BinUtils: Clarify search logic and make it more consistent, 2021-05-27, v3.21.0-rc1~119^2~2) we correctly prefer the more-specific name `llvm-ar` over `ar` when using Clang. However, on Apple platforms, `llvm-ar` does not generate a symbol table that the Apple linker accepts. Fall back to `ar` on Apple platforms. Fixes: #23269
* | Merge topic 'IntelLLVM-no-xilink'Brad King2021-11-111-1/+1
|\ \ | |/ | | | | | | | | | | 48f29b5805 IntelLLVM: Use MSVC linker with MSVC frontend variant Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !6719
| * IntelLLVM: Use MSVC linker with MSVC frontend variantWilliam R. Dieter2021-11-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The Intel compiler (pre-LLVM) expected xilink.exe and had special logic to set xilink.exe. The newer LLVM-based compiler does not want xilink.exe. link.exe works better for host code, and is the default, so change the matching condition such that the old compiler matches (and gets xilink.exe) and the new compiler gets the default link.exe it expects. A better solution will be to use the compiler as the linker. A future change will switch to compiler as linker by default, but that fix needs more validation. Signed-off-by: William R. Dieter <william.r.dieter@intel.com>
* | Merge topic 'binutils-llvm-strip'Brad King2021-10-261-1/+4
|\ \ | |/ | | | | | | | | | | 5dd981539f BinUtils: Avoid llvm-strip versions older than Clang 11 Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !6655
| * BinUtils: Avoid llvm-strip versions older than Clang 11Brad King2021-10-221-1/+4
| | | | | | | | | | | | | | | | | | | | | | Since commit cf82300a63 (BinUtils: Clarify search logic and make it more consistent, 2021-05-27, v3.21.0-rc1~119^2~2) we correctly prefer the more-specific name `llvm-strip` over `strip` when using Clang. However, `llvm-strip` from Clang versions prior to 11 require extra flags to strip everything. Until our `install(TARGETS)` logic learns to add those flags, avoid using older versions of `llvm-strip` by default. Fixes: #22785
* | IAR: fix assembler detection for RISC-VFelipe Torrezan2021-09-211-1/+1
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* IAR: Restore support for projects not enabling policy CMP0057Jean-Marc Hengen2021-09-161-0/+5
| | | | | | | | | Since commit 5b9bfe738c (IAR: Moved search logic to BinUtils., 2021-07-19, v3.21.1~14^2), we use the `IN_LIST` operator in the `CMakeFindBinUtils` module. Set policy `CMP0057` to ensure it is available regardless of the project's policy settings. Fixes: #22640
* FindBinUtils: Fall back to ld for Clang without lldThomas Bernard2021-08-181-2/+2
| | | | | | If `lld` is not available, Clang can still use `ld`. Fixes: #22500
* BinUtils: Avoid searching CMAKE_PREFIX_PATHCristian Adam2021-08-091-3/+3
| | | | | | | | | Our `find_program` calls specify `HINTS` to look in the toolchain's directory first, and then in `PATH`. `CMAKE_PREFIX_PATH` may be specified by the user to help find packages for project dependencies, but this should not override the binutils. Fixes: #22512
* IAR: Moved search logic to BinUtils.Jean-Marc Hengen2021-07-231-0/+54
| | | | | | | | | | | The search logic for the IAR linker, librarian and related tools is moved from `Modules/Compiler/IAR-FindBinUtils.cmake` to `Modules/CMakeFindBinUtils.cmake` by introducing an new elseif block for the IAR toolchain. The search logic was refactored to omit repeating itself. Fixes: #22425
* ARMClang: Fix regression in check for working compilerLingkai Dong2021-07-141-0/+3
| | | | | | | | | | | | | | | | | | | Given the compiler to use, `CMakeFindBinUtils.cmake` automatically determines a number of tools including linker (CMAKE_LINKER) and archiver (CMAKE_AR) and stores them in a generated file `CMakeCCompiler.cmake` as non-CACHE entries. The compiler-specific ARMClang.cmake then tries to override CMAKE_LINKER and CMAKE_AR as CACHE entries. Following the introduction of CMP0126, which is set to NEW in the test for a working compiler, setting a CACHE entry does not replace a normal entry of the same name anymore, resulting in a failed test due to wrong linker and archiver. To fix this, set CMAKE_LINKER and CMAKE_AR for ARMClang directly in `CMakeFindBinUtils.cmake` as is done for other compilers. Check for them in `ARMClang.cmake` to safeguard cases when a project explicitly includes `ARMClang.cmake` prior to compiler determination (which some projects do to work around other problems in older CMake versions).
* BinUtils: Avoid llvm-objdump versions older than Clang 9Brad King2021-05-291-1/+4
| | | | | | | | Since commit cf82300a63 (BinUtils: Clarify search logic and make it more consistent, 2021-05-27) we correctly prefer the more-specific name `llvm-objdump` over `objdump` when using Clang. However, this breaks `file(GET_RUNTIME_DEPENDENCIES)` with `llvm-objdump` from Clang 8 and below. Avoid those older versions of `llvm-objdump`.
* BinUtils: Find linker and librarian for Intel compilers on WindowsBrad King2021-05-271-0/+3
| | | | | Update our Intel linker and archiver rules to use the `<CMAKE_LINKER>` and `<CMAKE_AR>` placeholders instead of hard-coding the tool names.
* BinUtils: Find linker and librarian for OpenWatcomBrad King2021-05-271-0/+5
| | | | | | Update our OpenWatcom linker and archiver rules to use the `<CMAKE_LINKER>` and `<CMAKE_AR>` placeholders instead of hard-coding the tool names.
* BinUtils: Clarify search logic and make it more consistentBrad King2021-05-271-34/+41
| | | | Consistently consider more-specific names before less-specific names.
* BinUtils: Use more-private temporary variable namesBrad King2021-05-041-10/+12
| | | | | | | | | | Since commit 4d786dfcfa (BinUtils: Avoid clobbering a variable named without a private prefix, 2021-04-06, v3.20.1~4^2) we use variables named `_tool` and `_name`, but these may still be common enough to affect project code. Use `_CMAKE_TOOL` and `_CMAKE_TOOL_NAME` instead, and unset them when finished. Fixes: #22140
* BinUtils: Avoid clobbering a variable named without a private prefixBrad King2021-04-071-10/+10
| | | | | | | | | Refactoring in commit b12aec6c8d (BinUtils: prefer bin utils matching the compiler version extension, 2020-12-11, v3.20.0-rc1~171^2) accidentally leaked a `TOOL` variable. Name temporary variables with a private prefix. Fixes: #22035
* Android: Fix search for binutilsHaibo Huang2021-03-301-0/+2
| | | | | | | | Set `CMAKE_SYSTEM_PROGRAM_PATH` in `Platform/Android-Initialize` instead of `Platform/Android` so it can be used in `CMakeFindBinUtils`. Also add the names `llvm-strip` and `llvm-ranlib` for the corresponding tools.
* BinUtils: prefer bin utils matching the compiler version extensionThomas Bernard2021-01-111-48/+48
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* Merge topic 'clang-llvm-lib'Brad King2020-09-251-1/+2
|\ | | | | | | | | | | | | | | f5d3da091b Clang: Look for llvm-lib when using MSVC-like front-end Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: Thomas Bernard <thomas@famillebernardgouriou.fr> Merge-request: !5264
| * Clang: Look for llvm-lib when using MSVC-like front-endShoaib Meenai2020-09-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In commit 55196a1440 (MSVC: Use 'lib' instead of 'link /lib' to create static libraries, 2020-01-10, v3.18.0-rc1~625^2) we changed CMake to use lib instead of `link /lib` to create static libraries, but it didn't search for `llvm-lib`. If you have `llvm-lib` but not `lib` (e.g. when cross-compiling), when `CMakeFindBinutils` is invoked for the `C` and `CXX` languages, `CMAKE_AR` is not found. When it's subsequently invoked for the ASM language, `CMAKE_ASM_SIMULATE_ID` and `CMAKE_ASM_COMPILER_FRONTEND_VARIANT` are not set (because `CMakeDetermineASMCompiler` doesn't call `CMAKE_DETERMINE_COMPILER_ID`, which sets those variables), so we go down the non-MSVC conditional and set `CMAKE_AR` to a GNU-style `ar`, which of course does not understand lib flags. Explicitly search for `llvm-lib` to avoid this situation.
* | Clang: Detect lld-link when using gnu front end with msvc targetThomas Bernard2020-09-141-1/+5
| | | | | | | | Fixes: #21137
* | Merge topic 'ispc_lang_support'Brad King2020-09-011-0/+1
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | 5ece12b7e4 gitlab-ci: add ISPC to the Fedora CI image 8976817d6d ISPC: Update help documentation to include ISPC 2368f46ba4 ISPC: Support building with the MSVC toolchain e783bf8aa6 ISPC: Support ISPC header generation byproducts and parallel builds 34cc6acc81 Add ISPC compiler support to CMake 419d70d490 Refactor some swift only logic to be re-used by other languages Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !5065
| * ISPC: Support building with the MSVC toolchainRobert Maynard2020-08-281-0/+1
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* | CMakeFindBinUtils: Always consider plain binutils when not cross-compilingRobert Maynard2020-08-181-0/+13
|/ | | | | | | | | Since commit c5dd2ca538 (DetermineCompiler: Relax _CMAKE_TOOLCHAIN_PREFIX detection, 2020-03-25, v3.18.0-rc1~430^2), `_CMAKE_TOOLCHAIN_PREFIX` may be set even when not cross-compiling. In this case we may still need to use binutils without any prefix. Fixes: #21103
* MSVC: Use 'lib' instead of 'link /lib' to create static librariesFrancisco Facioni2020-03-031-0/+1
| | | | | | `link.exe /lib` is an undocumented flag and it just calls `lib.exe`. Also `link.exe` doesn't parse the `/lib` option correctly when in a response file.
* FindBinUtils: Revert "Use the compiler to get the path to compiler tools"Brad King2019-11-071-59/+11
| | | | | | | | Revert commit b2fd479df5 (FindBinUtils: Use the compiler to get the path to compiler tools, 2019-09-22, v3.16.0-rc1~51^2). The compiler's answer may incorrectly come from the `PATH`. Another approach will be needed. Fixes: #19934
* CMakeFindBinUtils: Remove unnecessary variable unset callsBrad King2019-10-151-12/+0
| | | | | | | | | Some unset calls were added by commit 079b8e2916 (Clang: prefer lld-link over link.exe, 2019-07-11, v3.16.0-rc1~161^2~2) but they are unnecessary since commit 3a82ef78eb (CMakeFindBinUtils: Rename and unset variables for additional names, 2019-07-23, v3.16.0-rc1~332^2~2). Suggested-by: Norbert Lange <nolange79@gmail.com>
* FindBinUtils: Use the compiler to get the path to compiler toolsIsuru Fernando2019-09-271-11/+59
| | | | Fixes: #19728
* Use _CMAKE_TOOLCHAIN_PREFIX for install_name_tool as wellIsuru Fernando2019-09-181-1/+1
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* Clang: prefer lld-link over link.exeZsolt Parragi2019-08-271-1/+17
| | | | | | Objects compiled with -flto can only be linked with the llvm linker. Before this change, clang-cl only supperted IPO with manual linker selection.
* CMakeFindBinUtils: add some more binutilsNorbert Lange2019-07-231-1/+7
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* CMakeFindBinUtils: add missing llvm alternativesNorbert Lange2019-07-231-6/+9
| | | | | LLVM 8.0 already ships with alternatives for all current Binutils. Enable them.
* CMakeFindBinUtils: Rename and unset variables for additional namesNorbert Lange2019-07-231-13/+14
| | | | | use the name pattern `_CMAKE_ADDITIONAL_<PROGRAM_NAME>_NAMES`, and unset those variables at the end of the function
* binutils: add the llvm-* variants to the tool lists.Zsolt Parragi2019-05-171-5/+16
| | | | | | | This allows cmake to use the ar/ranlib/objdump/ld tools on windows without mingw installed. These tools are selected when clang is in GNU command line mode.
* MSVC: Respect CMAKE_RC_COMPILER and CMAKE_MT in vs_link_{dll,exe}Mateusz Zych2018-10-291-16/+36
| | | | | | | | | | | | CMake commands vs_link_dll and vs_link_exe, performing linking on MSVC, are responsible for calling resource compiler and manifest tool. Before this commit, both of these tools were called directly, with the expectation that they are available in the `PATH`. This has been fixed by respecting CMake variables `CMAKE_RC_COMPILER` and `CMAKE_MT` defining paths to these tools. Fixes: #17804
* CUDA: Find CMAKE_LINKER on WindowsBrad King2018-10-291-0/+1
| | | | | We use this in `Modules/Platform/Windows-NVIDIA-CUDA.cmake`, so make sure it is available.
* CMakeFindBinUtils: Fix use with non-cached tool settingsBrad King2018-09-051-3/+15
| | | | | | | | | | If a project or toolchain file hard-codes a tool location such as `CMAKE_LINKER` with a plain `set()` then the value will be stored in compiler information files but not cached. If the value is not cached then we should not mark it as advanced because doing so will initialize an empty cache entry. Fixes: #18315
* CMakeFindBinUtils: Find linker in PATHxoviat2018-02-211-0/+19
| | | | Fixes: #17693
* CMakeFindBinUtils: Improve switch between MSVC- and GNU-like toolsBrad King2017-11-281-10/+3
| | | | | | | | The switch was not considering some languages, such as `ASM`. Instead of memorizing the list of languages in the condition, use a language specified by the includer. Fixes: #17510
* Windows-PGI: Add platform definitionsChristian Pfeiffer2017-05-201-0/+4
| | | | | | | PGI on Windows should use the Visual C++ linker and librarian and not the ar provided for legacy reasons. The compiler parameters themselves are the same as their Linux parameters and not compatible to MSVC however.
* CUDA: Find MSVC binutils on WindowsBrad King2017-01-121-0/+1
| | | | | On Windows the host link launcher is just `link.exe`. Find and use that instead of trying to extract the launcher from the `nvcc -v` output.
* Simplify CMake per-source license noticesBrad King2016-09-271-13/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
* Avoid if() quoted auto-dereference when checking for "MSVC"Fraser Hutchison2014-11-191-5/+5
| | | | | When testing CMAKE_<LANG>_COMPILER_ID values against "MSVC", do not allow the definition of the "MSVC" variable to be expanded.
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